Ailsa Craig

About Ailsa Craig

Rising abruptly from the Firth of Clyde, this dramatic volcanic pyramid offers an ascent quite unlike any other Marilyn. The steep, rugged climb leads to a summit overlooking the Arran peaks and the Mull of Kintyre, shared with thousands of wheeling gannets that dominate this uninhabited granite island.

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Did You Know?

• •The Gaelic name Creag Ealasaid translates as 'Elizabeth’s Rock,' though its more famous moniker, Ailsa Craig, likely derives from the Gaelic Aillse, meaning 'fairy,' reflecting its ethereal appearance when shrouded in sea mist.
• •The island is the world’s premier source of microgranite for curling stones. Most stones used in the Olympic Winter Games are crafted from granite quarried here, prized for its unique density and resistance to splintering on the ice.
• •Known colloquially as 'Paddy’s Milestone,' the island sits almost exactly halfway along the sea route between Belfast and Glasgow, historically serving as a key navigation point for Irish emigrants.
• •A ruined 16th-century tower stands on the eastern slopes, built by the Hamilton family. It was intended to protect the island from being used as a base for Spanish forces during the Scottish Reformation.
• •While humans no longer inhabit the island, it hosts one of Britain’s largest seabird colonies. The summit provides a grandstand view of the Paps of Jura to the north and the Ayrshire coastline to the east.
• •If you find the vertical ascent breathless, remember that the local gannets reach the summit with significantly less effort, though they must endure the all-encompassing and very permanent aroma of several thousand tons of guano.